WO2010064521A1 - 通信システム及び移動局装置 - Google Patents

通信システム及び移動局装置 Download PDF

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Publication number
WO2010064521A1
WO2010064521A1 PCT/JP2009/069039 JP2009069039W WO2010064521A1 WO 2010064521 A1 WO2010064521 A1 WO 2010064521A1 JP 2009069039 W JP2009069039 W JP 2009069039W WO 2010064521 A1 WO2010064521 A1 WO 2010064521A1
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WIPO (PCT)
Prior art keywords
channel
component carrier
mobile station
station apparatus
physical
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Application number
PCT/JP2009/069039
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English (en)
French (fr)
Japanese (ja)
Inventor
山田　昇平
克成 上村
Original Assignee
シャープ株式会社
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Publication date
Application filed by シャープ株式会社 filed Critical シャープ株式会社
Priority to EP09830288.8A priority Critical patent/EP2355606B1/en
Priority to CN200980148003.7A priority patent/CN102227945B/zh
Priority to US13/132,632 priority patent/US9768922B2/en
Priority to JP2010541278A priority patent/JP4959001B2/ja
Priority to MX2011005781A priority patent/MX2011005781A/es
Publication of WO2010064521A1 publication Critical patent/WO2010064521A1/ja
Priority to HK12101023.5A priority patent/HK1160719A1/zh
Priority to US15/486,002 priority patent/US10320536B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access, e.g. scheduled or random access

Definitions

  • the present invention relates to a communication system and a mobile station device, and more particularly to a communication system in which a plurality of component carriers exist and a mobile station device used in the communication system.
  • 3GPP (3 rd Generation Partnership Project: Third Generation Partnership Project) is, W-CDMA (Wideband-Code Division Multiple Access: broadband - Code Division Multiple Access) and GSM (Global System for Mobile Communications: Jiesuemu) network, which was developed to This is a project for studying and creating specifications for mobile phone systems based on the.
  • W-CDMA Wideband-Code Division Multiple Access: broadband - Code Division Multiple Access
  • GSM Global System for Mobile Communications: Jiesuemu
  • the W-CDMA system has been standardized as a third generation cellular mobile communication system, and services have been started sequentially.
  • HSDPA High-Speed Downlink Packet Access
  • HSDPA High-Speed Downlink Packet Access
  • LTE Long Term Evolution
  • EUTRA Evolved Universal Terrestrial Radio Access
  • LTE-A Long Termination Evolution-Advanced
  • Advanced-EUTRA Advanced-EUTRA
  • OFDMA Orthogonal Frequency ⁇ ⁇ Division Multiple Access
  • AMCS adaptive modulation / error correction scheme
  • link adaptation adaptive radio link control
  • AMCS is a wireless transmission parameter (AMC) such as an error correction method, an error correction coding rate, and a data modulation multi-value number, according to the channel quality of each mobile station apparatus, in order to efficiently perform high-speed packet data transmission Mode).
  • AMC wireless transmission parameter
  • the channel quality of each mobile station apparatus is fed back to the base station apparatus using CQI (Channel Quality Indicator).
  • CQI Channel Quality Indicator
  • FIG. 8 is a diagram showing a channel configuration used in a conventional wireless communication system. This channel configuration is used in a wireless communication system such as EUTRA (see Non-Patent Document 1).
  • the wireless communication system illustrated in FIG. 8 includes a base station device 100 and mobile station devices 200a, 200b, and 200c.
  • R01 indicates a communicable range of the base station apparatus 100, and the base station apparatus 100 communicates with a mobile station apparatus existing within the range R01.
  • a physical broadcast channel (PBCH: PhysicalPhysBroadcast Channel), a physical downlink control channel (PDCCH: Physical Downlink Control Channel), a physical downlink Link Shared Channel (PDSCH: Physical Downlink Shared Channel), Physical Multicast Channel (PMCH: Physical Multicast Channel), Physical Control Format Indication Channel (PCFICH: Physical Control Format Indicator Channel), Physical Hybrid Automatic Repeat Request Indication Channel (PHICH: Physical Hybrid) ARQ Indicator Channel) is used.
  • PBCH PhysicalPhysBroadcast Channel
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel
  • PMCH Physical Multicast Channel
  • PCFICH Physical Control Format Indicator Channel
  • PHICH Physical Hybrid Automatic Repeat Request Indication Channel
  • PUSCH physical uplink shared channel
  • PUCCH physical uplink control channel
  • PUCCH physical uplink control channel
  • PRACH Physical Random Access Channel
  • LTE-A follows the basic EUTRA system. Furthermore, in LTE-A, while the frequency band used in a general system is continuous, a plurality of continuous / discontinuous frequency bands (hereinafter referred to as carrier element (Component Carrier) or component carrier (Component Carrier)). It is proposed to operate as one wide frequency band (broadband system band) (frequency band aggregation: Spectrum-aggregation, Carrier-aggregation). That is, one system band is composed of a plurality of component carriers having a partial bandwidth in the system band that is a usable frequency band. In each component carrier, LTE and LTE-A mobile station apparatuses can operate. In addition, in order to use the frequency band allocated to the mobile communication system more flexibly, the frequency band used for downlink communication and the frequency band used for uplink communication have different frequency bandwidths. Has also been proposed.
  • carrier element Component Carrier
  • Component Carrier component carrier
  • the present invention has been made in view of the above circumstances, and its purpose is to efficiently manage setting information held in a base station apparatus and a mobile station apparatus in a system in which a plurality of component carriers exist,
  • An object of the present invention is to provide a communication system and a mobile station apparatus capable of promptly communicating.
  • a first technical means is a mobile station apparatus in a mobile communication system comprising a base station apparatus and a mobile station apparatus, wherein one or a plurality of mobile station apparatuses having a partial bandwidth in the system band
  • the system is characterized in that the system information element of the component carrier is managed, and when the component carrier is added to the mobile station apparatus, the system information element of the currently accessed component carrier is also applied to the added component carrier. It is a station device.
  • the system information applied to the added component carrier is added to the added component carrier when the component carrier is added to the mobile station apparatus.
  • a mobile station apparatus characterized in that the system information is not notified as applied system information.
  • the system information applied to the added component carrier is predetermined specific system information. It is a station device.
  • a fourth technical means is a mobile communication system including a base station apparatus and a mobile station apparatus, wherein the mobile station apparatus has one or a plurality of bandwidths having a part of the system bandwidth.
  • the system information of the component carrier is managed, and the base station device notifies the mobile station device of the addition of the component carrier.
  • the mobile station device displays the system information of the currently accessed component carrier.
  • the mobile communication system is also characterized by being applied to an added component carrier.
  • the system information applied to the added component carrier is added to the added component carrier when the component carrier is added to the mobile station apparatus.
  • a mobile communication system characterized in that the system information is not notified as applied system information.
  • the system information applied to the added component carrier is predetermined specific system information. It is a communication system.
  • the communication system and the mobile station apparatus of the present invention can efficiently manage the setting information held in the base station apparatus and the mobile station apparatus in a system in which a plurality of component carriers exist, and can communicate quickly. .
  • the wireless communication system according to the first embodiment of the present invention includes one or more base station apparatuses and one or more mobile station apparatuses, and performs wireless communication therebetween.
  • One base station apparatus constitutes one or more cells, and one cell can accommodate one or more mobile station apparatuses.
  • FIG. 1 is a diagram showing a configuration of a downlink channel used in the communication system according to the first embodiment of the present invention.
  • FIG. 2 is a diagram showing a configuration of an uplink channel used in the communication system according to the first embodiment of the present invention.
  • the downlink channel shown in FIG. 1 and the uplink channel shown in FIG. 2 are each composed of a logical channel, a transport channel, and a physical channel.
  • the logical channel defines the type of data transmission service that is transmitted and received in the medium access control (MAC) layer.
  • the transport channel defines what characteristics the data transmitted over the air interface has and how it is transmitted.
  • a physical channel is a physical channel that carries a transport channel.
  • the downlink logical channel includes broadcast control channel (BCCH: Broadcast Control Channel), paging control channel (PCCH: Paging Control Channel), common control channel (CCCH: Common Control Channel), and dedicated control channel (DCCH: Dedicated Control Channel). ), A dedicated traffic channel (DTCH: Dedicated Traffic Channel), a multicast control channel (MCCH: Multicast Traffic Channel), and a multicast traffic channel (MTCH: Multicast Traffic Channel).
  • the uplink logical channels include a common control channel (CCCH), a dedicated control channel (DCCH), and a dedicated traffic channel (DTCH).
  • the downlink transport channel includes a broadcast channel (BCH: Broadcast Channel), a paging channel (PCH: Paging Channel), a downlink shared channel (DL-SCH: Downlink Shared Channel), and a multicast channel (MCH: Multicast Channel). included.
  • the uplink transport channel includes an uplink shared channel (UL-SCH: Uplink-Shared Channel) and a random access channel (RACH: Random Access Channel).
  • the physical downlink channel includes a physical broadcast channel (PBCH: Physical Broadcast Channel), a physical downlink control channel (PDCCH: Physical Downlink Control Channel), a physical downlink shared channel (PDSCH: Physical Downlink Shared Channel), and a physical multicast channel.
  • PBCH Physical Broadcast Channel
  • PDCCH Physical Downlink Control Channel
  • PDSCH Physical Downlink Shared Channel
  • PMCH Physical Multicast Channel
  • PCFICH Physical Control Format Indicator Channel
  • PHICH Physical Hybrid ARQ Indicator Channel
  • the uplink physical channel includes a physical uplink shared channel (PUSCH), a physical random access channel (PRACH), and a physical uplink control channel (PUCCH: Physical Uplink Control Channel). It is.
  • the broadcast control channel is a downlink channel used for broadcasting system control information.
  • the paging control channel is a downlink channel used for transmitting paging information, and is used when the network does not know the cell position of the mobile station apparatus.
  • the common control channel is a channel used to transmit control information between the mobile station device and the network, and the mobile station device does not have a radio resource control (RRC) connection with the network. Used by.
  • RRC radio resource control
  • the dedicated control channel is a one-to-one (point-to-point) bidirectional channel and is a channel used for transmitting individual control information between the mobile station apparatus and the network.
  • the dedicated control channel is used by a mobile station apparatus having an RRC connection.
  • the dedicated traffic channel is a one-to-one bidirectional channel, is a channel dedicated to one mobile station apparatus, and is used for transferring user information (unicast data).
  • the multicast control channel is a downlink channel used for transmitting point-to-multipoint MBMS (Multimedia Broadcast Multicast Service) control information from the network to the mobile station apparatus. is there. This is used for MBMS services that provide one-to-many services.
  • MBMS Multimedia Broadcast Multicast Service
  • MBMS service transmission methods include single-cell point-to-multipoint (SCPTM) transmission and multimedia broadcast multicast service single frequency network (MBSFN) transmission.
  • SCPTM single-cell point-to-multipoint
  • MBSFN multimedia broadcast multicast service single frequency network
  • SCPTM transmission is a method of transmitting an MBMS service by one base station apparatus.
  • the multicast control channel is used for one or a plurality of multicast traffic channels (MTCH).
  • the multicast traffic channel is a downlink channel used for transmitting traffic data (MBMS transmission data) from the network to the mobile station apparatus in a point-to-multipoint manner.
  • multicast control channel MCCH
  • MTCH multicast traffic channel
  • the broadcast channel (BCH) is broadcast to the entire cell in a fixed and predefined transmission format.
  • the downlink shared channel (DL-SCH) supports HARQ (Hybrid Automatic Repeat Request), dynamic adaptive radio link control, discontinuous reception (DRX: Discontinuous Reception), and MBMS transmission, and broadcasts to the entire cell. Need to be done.
  • the paging channel supports DRX and needs to be broadcast to the entire cell.
  • the paging channel is mapped to a physical resource that is dynamically used for a traffic channel and other control channels, that is, a physical downlink shared channel (PDSCH).
  • PCH paging channel
  • PDSCH physical downlink shared channel
  • the multicast channel needs to be broadcast to the entire cell.
  • quasi-static resource allocation such as MBSFN (MBMS Single Frequency Network) combining (Combining) for MBMS transmission from multiple cells and time frames using extended cyclic prefix (CP) Is supported.
  • MBSFN MBMS Single Frequency Network
  • CP extended cyclic prefix
  • the uplink shared channel (UL-SCH) supports HARQ and dynamic adaptive radio link control.
  • beam forming can be used in the uplink shared channel (UL-SCH).
  • Dynamic resource allocation and semi-static resource allocation are supported.
  • the random access channel (RACH) transmits limited control information and has a collision risk.
  • the physical broadcast channel maps the broadcast channel (BCH) at intervals of 40 milliseconds.
  • the timing of 40 milliseconds is blind detection. That is, it is not necessary to perform explicit signaling for timing presentation.
  • a subframe including a physical broadcast channel (PBCH) can be decoded only by the subframe (self-decodable).
  • the physical downlink control channel is downlink shared channel (PDSCH) resource allocation, hybrid automatic repeat request (HARQ) information for downlink data, and uplink that is physical uplink shared channel (PUSCH) resource allocation.
  • PDSCH downlink shared channel
  • HARQ hybrid automatic repeat request
  • PUSCH physical uplink shared channel
  • the physical downlink shared channel is a channel used for transmitting downlink data or paging information.
  • the physical multicast channel is a channel used for transmitting the multicast channel (MCH), and a downlink reference signal, an uplink reference signal, and a physical downlink synchronization signal are separately arranged.
  • the physical uplink shared channel is a channel mainly used for transmitting uplink data (UL-SCH).
  • a channel feedback report (downlink channel quality identifier CQI (Channel Quality Indicator), precoding matrix identifier PMI (Precoding Matrix Indicator), rank identifier RI (Rank) Indicator)) and HARQ acknowledgment (ACK: Acknowledgement) / negative acknowledgment (NACK: NegativeNAcknowledgement) for downlink transmission are also transmitted using the physical uplink shared channel (PUSCH).
  • CQI Channel Quality Indicator
  • PMI Precoding Matrix Indicator
  • rank RI rank identifier RI
  • HARQ acknowledgment ACK: Acknowledgement
  • NACK NegativeNAcknowledgement
  • the physical random access channel is a channel used for transmitting a random access preamble and has a guard time.
  • the physical uplink control channel (PUCCH) is used to transmit channel feedback reports (CQI, PMI, RI), scheduling requests (SR: Scheduling Request), HARQ for downlink transmission, acknowledgment / negative acknowledgment, etc. Is a channel.
  • the physical control format indication channel (PCFICH) is a channel used to notify the mobile station apparatus of the number of OFDM symbols used for the physical downlink control channel (PDCCH), and is transmitted in each subframe.
  • the physical hybrid automatic retransmission request instruction channel (PHICH) is a channel used for transmitting HARQ ACK / NACK for uplink transmission.
  • mapping between the transport channel and the physical channel is performed as follows.
  • the broadcast channel (BCH) is mapped to the physical broadcast channel (PBCH).
  • the multicast channel is mapped to the physical multicast channel (PMCH).
  • the paging channel (PCH) and the downlink shared channel (DL-SCH) are mapped to the physical downlink shared channel (PDSCH).
  • the physical downlink control channel (PDCCH), the physical hybrid automatic repeat request instruction channel (PHICH), and the physical control format instruction channel (PCFICH) are used alone.
  • PDCCH physical downlink control channel
  • PHICH physical hybrid automatic repeat request instruction channel
  • PCFICH physical control format instruction channel
  • the transport channel and the physical channel are mapped as follows.
  • the uplink shared channel (UL-SCH) is mapped to the physical uplink shared channel (PUSCH).
  • the random access channel (RACH) is mapped to the physical random access channel (PRACH).
  • the physical uplink control channel (PUCCH) is used as a physical channel alone.
  • mapping between logical channels and transport channels is performed as follows.
  • the paging control channel (PCCH) is mapped to the paging channel (PCH).
  • the broadcast control channel is mapped to the broadcast channel (BCH) and the downlink shared channel (DL-SCH).
  • the common control channel (CCCH), dedicated control channel (DCCH), and dedicated traffic channel (DTCH) are mapped to the downlink shared channel (DL-SCH).
  • the multicast control channel is mapped to the downlink shared channel (DL-SCH) and the multicast channel (MCH).
  • the multicast traffic channel (MTCH) is mapped to the downlink shared channel (DL-SCH) and the multicast channel (MCH).
  • mapping from the multicast control channel (MCCH) and the multicast traffic channel (MTCH) to the multicast channel (MCH) is performed at the time of MBSFN transmission, while this mapping is performed at the downlink shared channel (DL-SCH) at the time of SCPTM transmission.
  • the logical channel and the transport channel are mapped in the uplink as follows.
  • the common control channel (CCCH), dedicated control channel (DCCH), and dedicated traffic channel (DTCH) are mapped to the uplink shared channel (UL-SCH).
  • the random access channel (RACH) is not mapped with the logical channel.
  • FIG. 3 is a diagram showing a frame configuration used in the downlink of the communication system according to the first embodiment of the present invention.
  • FIG. 4 is a diagram showing a frame configuration used in the uplink of the communication system according to the first embodiment of the present invention. 3 and 4, the horizontal axis represents time, and the vertical axis represents frequency.
  • the radio frame identified by the system frame number (SFN) is composed of 10 milliseconds (10 ms).
  • One subframe is composed of 1 millisecond (1 ms), and the radio frame includes ten subframes # F0 to # F9.
  • the radio frame used in the downlink includes a physical control format indication channel (PCFICH), a physical hybrid automatic repeat request indication channel (PHICH), a physical downlink control channel (PDCCH), and a physical downlink synchronization signal.
  • PCFICH physical control format indication channel
  • PHICH physical hybrid automatic repeat request indication channel
  • PDCCH physical downlink control channel
  • PBCH physical broadcast channel
  • PDSCH physical downlink shared channel
  • PMCH physical multicast channel
  • a downlink reference signal are arranged.
  • the radio frame used in the uplink includes a physical random access channel (PRACH), a physical uplink control channel (PUCCH), a physical uplink shared channel (PUSCH), a reference signal for uplink demodulation, an uplink A link measurement reference signal is arranged.
  • PRACH physical random access channel
  • PUCCH physical uplink control channel
  • PUSCH physical uplink shared channel
  • PRACH physical random access channel
  • PUCCH physical uplink control channel
  • PUSCH physical uplink shared channel
  • reference signal for uplink demodulation an uplink A link measurement reference signal is arranged.
  • subframe # F0 1 subframe (for example, subframe # F0) is divided into two slots # S0 and # S1.
  • the downlink slot is composed of 7 OFDM symbols (see FIG. 3), and the uplink slot is 7 SC-FDMA (Single Carrier-Frequency). Division (Multiple Access) symbol (see FIG. 4).
  • the downlink slot is composed of 6 OFDM symbols
  • the uplink slot is composed of 6 SC-FDMA symbols. Is done.
  • one slot is divided into a plurality of blocks in the frequency direction.
  • One physical resource block (PRB) is configured with 12 subcarriers of 15 kHz as units in the frequency direction.
  • the number of physical resource blocks (PRB) is supported from 6 to 110 depending on the system bandwidth. 3 and 4 show the case where the number of physical resource blocks (PRB) is 25.
  • FIG. It is also possible to use different system bandwidths for uplink and downlink. Further, the total system bandwidth can be increased to 110 or more by aggregation.
  • the component carrier is composed of 100 physical resource blocks, and the total system bandwidth can be made 500 physical resource blocks with 5 component carriers with a guard band between the component carriers. When this is expressed in terms of bandwidth, for example, the component carrier is composed of 20 MHz, and the total system bandwidth can be set to 100 MHz with five component carriers with the guard band between the component carriers.
  • Downlink and uplink resource allocation is performed in subframe units in the time direction and in physical resource block (PRB) units in the frequency direction. That is, two slots in a subframe are allocated with one resource allocation signal.
  • PRB physical resource block
  • a unit composed of a subcarrier and an OFDM symbol or a subcarrier and an SC-FDMA symbol is called a resource element.
  • a modulation symbol or the like is mapped to each resource element in the resource mapping process in the physical layer.
  • a 24-bit cyclic redundancy check (CRC: Cyclic Redundancy Check) is assigned to the physical downlink shared channel (PDSCH), channel coding (transmission path coding), and physical layer HARQ.
  • CRC Cyclic Redundancy Check
  • PDSCH physical downlink shared channel
  • coding transmission path coding
  • physical layer HARQ Physical layer HARQ.
  • processing channel interleaving, scrambling, modulation (QPSK (Quadrature Phase Shift Keying), 16 QAM (Quadrature Amplitude Modulation), 64 QAM), layer mapping, precoding, resource mapping, antenna Mapping is performed.
  • QPSK Quadrature Phase Shift Keying
  • 16 QAM Quadrature Amplitude Modulation
  • 64 QAM Quadrature Amplitude Modulation
  • a 24-bit cyclic redundancy check is assigned to the physical uplink shared channel (PUSCH), channel coding (transmission path coding), physical layer HARQ processing, Scrambling, modulation (QPSK, 16QAM, 64QAM), resource mapping, antenna mapping, etc. are performed.
  • CRC cyclic redundancy check
  • the physical downlink control channel (PDCCH), the physical hybrid automatic repeat request indication channel (PHICH), and the physical control format indication channel (PCFICH) are arranged below the first 3 OFDM symbols.
  • the transport format for the downlink shared channel (DL-SCH) and the paging channel (PCH) (modulation scheme, coding scheme, transport block size, etc.), resource allocation, HARQ information is transmitted.
  • the physical downlink control channel transmits the transport format (modulation scheme, encoding scheme, transport block size, etc.), resource allocation, and HARQ information for the uplink shared channel (UL-SCH). Is done.
  • PDCCH physical downlink control channels
  • PDCH physical downlink control channels
  • the physical downlink shared channel (PDSCH) allocated by the physical downlink control channel (PDCCH) is mapped to the same subframe as the physical downlink control channel (PDCCH).
  • the physical uplink shared channel (PUSCH) allocated by the physical downlink control channel (PDCCH) is mapped to a subframe at a predetermined position. For example, when the downlink subframe number of the physical downlink control channel (PDCCH) is N, it is mapped to the N + 4th uplink subframe.
  • the mobile station apparatus is specified using 16-bit MAC layer identification information (MAC ID). That is, this 16-bit MAC layer identification information (MAC ID) is included in the physical downlink control channel (PDCCH).
  • MAC ID 16-bit MAC layer identification information
  • the downlink reference signal (downlink pilot channel) used for downlink state measurement and downlink data demodulation is arranged in the first, second, and third from the back of each slot.
  • an uplink demodulation reference signal (a demodulation pilot (DRS: Demodulation Reference Signal)) used for demodulating the physical uplink shared channel (PUSCH) is transmitted in the fourth SC-FDMA symbol of each slot.
  • DRS Demodulation Reference Signal
  • an uplink measurement reference signal (scheduling pilot (SRS: Sounding Reference Signal)) used for uplink state measurement is transmitted in the last SC-FDMA symbol of the subframe.
  • SRS Sounding Reference Signal
  • the physical uplink control channel (PUCCH) demodulation reference signal is defined for each physical uplink control channel format, and is the 3rd, 4th and 5th in each slot, or the 2nd and 6th SC- in each slot. It is transmitted with FDMA symbols.
  • the physical broadcast channel (PBCH) and the downlink synchronization signal are arranged in a band corresponding to the center 6 physical resource blocks in the system band.
  • the physical downlink synchronization signal is transmitted in the sixth and seventh OFDM symbols of each slot of the first (subframe # F0) and fifth (subframe # F4) subframes.
  • the physical broadcast channel is 1 of the 4th, 5th OFDM symbol and 2nd slot (slot # S1) of the 1st slot (slot # S0) of the 1st subframe (subframe # F0).
  • the second and second OFDM symbols are transmitted.
  • the physical random access channel is configured with a bandwidth of six physical resource blocks in the frequency direction and one subframe in the time direction.
  • Request from mobile station device to base station device for various reasons (uplink resource request, uplink synchronization request, downlink data transmission resumption request, handover request, connection setting request, reconnection request, MBMS service request, etc.) Sent to do.
  • the physical uplink control channel (PUCCH) is arranged at both ends of the system band and is configured in units of physical resource blocks. Frequency hopping is performed so that both ends of the system band are alternately used between slots.
  • FIG. 5 is a schematic block diagram showing the configuration of the base station apparatus 100 according to the first embodiment of the present invention.
  • the base station apparatus 100 includes a data control unit 101, an OFDM modulation unit 102, a radio unit 103, a scheduling unit 104, a channel estimation unit 105, a DFT-S-OFDM (DFT-Spread-OFDM) demodulation unit 106, a data extraction unit 107, An upper layer 108 and an antenna part A1 are provided.
  • DFT-S-OFDM DFT-Spread-OFDM
  • Radio section 103, scheduling section 104, channel estimation section 105, DFT-S-OFDM demodulation section 106, data extraction section 107, upper layer 108, and antenna section A1 constitute a reception section.
  • the data control unit 101, the OFDM modulation unit 102, the radio unit 103, the scheduling unit 104, the upper layer 108, and the antenna unit A1 constitute a transmission unit.
  • a part of each transmission unit and reception unit is configured to perform processing separately for each component carrier, and a part is configured to perform common processing between component carriers.
  • the antenna unit A1, the radio unit 103, the channel estimation unit 105, the DFT-S-OFDM demodulation unit 106, and the data extraction unit 107 perform uplink physical layer processing.
  • the antenna unit A2, the data control unit 101, the OFDM modulation unit 102, and the radio unit 103 perform processing on the downlink physical layer.
  • the data control unit 101 acquires a transport channel from the scheduling unit 104.
  • the data control unit 101 converts the transport channel and the signal and channel generated in the physical layer based on the scheduling information input from the scheduling unit 104 to the physical channel based on the scheduling information input from the scheduling unit 104.
  • Map. Each piece of data mapped as described above is output to OFDM modulation section 102.
  • the OFDM modulation unit 102 receives scheduling information (downlink physical resource block (PRB) allocation information (for example, physical resource block position such as frequency, time, etc.) input from the scheduling unit 104. Information) and a modulation scheme and a coding scheme corresponding to each downlink physical resource block (PRB) (including 16QAM modulation, 2/3 coding rate, etc.), encoding, data modulation, input signal Serial / parallel conversion, IFFT (Inverse Fourier Transform) processing, cyclic prefix (CP) insertion, and OFDM signal processing such as filtering are performed to generate an OFDM signal and to the radio section 103 Output.
  • scheduling information downlink physical resource block (PRB) allocation information (for example, physical resource block position such as frequency, time, etc.) input from the scheduling unit 104.
  • PRB physical resource block
  • Information for example, physical resource block position such as frequency, time, etc.
  • a modulation scheme and a coding scheme corresponding to each downlink physical resource block (PRB) including 16QA
  • the radio unit 103 up-converts the modulation data input from the OFDM modulation unit 102 to a radio frequency to generate a radio signal, and transmits the radio signal to the mobile station apparatus 200 via the antenna unit A1.
  • Radio section 103 receives an uplink radio signal from mobile station apparatus 200 via antenna section A1, down-converts it to a baseband signal, and receives received data from channel estimation section 105 and DFT-S- Output to the OFDM demodulator 106.
  • the scheduling unit 104 performs processing of a medium access control (MAC: Medium Access Control) layer.
  • the scheduling unit 104 performs mapping between logical channels and transport channels, downlink and uplink scheduling (HARQ processing, selection of transport format, etc.) and the like. Since the scheduling unit 104 controls the processing units of each physical layer in an integrated manner, the scheduling unit 104, the antenna unit A1, the radio unit 103, the channel estimation unit 105, the DFT-S-OFDM demodulation unit 106, and the data control unit 101 There is an interface between the OFDM modulation unit 102 and the data extraction unit 107. However, not shown.
  • MAC Medium Access Control
  • scheduling section 104 receives feedback information received from mobile station apparatus 200 (downlink channel feedback report (channel quality (CQI), number of streams (RI), precoding information (PMI), etc.)). Or ACK / NACK feedback information for downlink data), downlink physical resource block (PRB) information that can be used by each mobile station device, buffer status, scheduling information input from higher layer 108, etc. Selection processing of downlink transport format (transmission form) for modulating each data (physical resource block (PRB) allocation, modulation scheme and encoding scheme, etc.), retransmission control in HARQ, and downlink And generates the scheduling information used for scheduling.
  • the scheduling information used for downlink scheduling is output to the data control unit 101 and the data extraction unit 107.
  • the scheduling unit 104 estimates the uplink channel state (radio channel state) output from the channel estimation unit 105, the resource allocation request from the mobile station device 200, and each mobile station device 200. Based on the downlink physical resource block (PRB) information that can be used, the scheduling information input from the higher layer 108, etc., and the uplink transport format (transmission form) for modulating each data (physical resource block) (PRB) allocation, modulation scheme, encoding scheme, etc.) selection processing and scheduling information used for uplink scheduling are generated.
  • PRB physical resource block
  • the scheduling information used for uplink scheduling is output to the data control unit 101 and the data extraction unit 107.
  • the scheduling unit 104 maps the downlink logical channel input from the higher layer 108 to the transport channel, and outputs it to the data control unit 101.
  • the scheduling unit 104 processes the control data and the transport channel acquired in the uplink input from the data extraction unit 107 as necessary, maps them to the uplink logical channel, and outputs them to the upper layer 108. To do.
  • the channel estimation unit 105 estimates an uplink channel state from an uplink demodulation reference signal (DRS: Demodulation Reference Signal) for demodulation of the uplink data, and the estimation result is used as a DFT-S-OFDM demodulation unit 106. Output to. Further, in order to perform uplink scheduling, an uplink channel state is estimated from an uplink measurement reference signal (SRS: Sounding Reference Signal), and the estimation result is output to the scheduling section 104.
  • DRS Demodulation Reference Signal
  • the uplink communication scheme is assumed to be a single carrier scheme such as DFT-S-OFDM, but a multicarrier scheme such as the OFDM scheme may be used.
  • the DFT-S-OFDM demodulation unit 106 performs DFT (Discrete Fourier Transform: Discrete Fourier Transform) on the modulated data input from the radio unit 103 based on the uplink channel state estimation result input from the channel estimation unit 105. ) Perform DFT-S-OFDM signal processing such as conversion, subcarrier mapping, IFFT conversion, filtering, etc., perform demodulation processing, and output to the data extraction unit 107.
  • DFT Discrete Fourier Transform: Discrete Fourier Transform
  • the data extraction unit 107 confirms the correctness / incorrectness of the data input from the DFT-S-OFDM demodulation unit 106 and confirms the confirmation result (positive signal ACK / negative signal NACK). ) Is output to the scheduling unit 104.
  • the data extraction unit 107 separates the data input from the DFT-S-OFDM demodulation unit 106 into a transport channel and physical layer control data based on the scheduling information from the scheduling unit 104, To 104.
  • the separated control data includes feedback information (downlink channel feedback report (CQI, PMI, RI), ACK / NACK feedback information for downlink data) notified from the mobile station apparatus 200, and the like. .
  • feedback information downlink channel feedback report (CQI, PMI, RI), ACK / NACK feedback information for downlink data
  • the upper layer 108 performs processing of a packet data integration protocol (PDCP: Packet Data Convergence Protocol) layer, a radio link control (RLC: Radio Link Control) layer, and a radio resource control (RRC: Radio Resource Control) layer.
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • RRC Radio Resource Control
  • the upper layer 108 integrates and controls the processing units of the lower layer, so the upper layer 108, the scheduling unit 104, the antenna unit A1, the radio unit 103, the channel estimation unit 105, the DFT-S-OFDM demodulation unit 106, the data
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • RRC Radio Resource Control
  • the upper layer 108 has a radio resource control unit 109.
  • the radio resource control unit 109 manages various setting information, system information, paging control, communication state management of each mobile station device, mobility management such as handover, management of buffer status for each mobile station device, Management of connection settings for unicast and multicast bearers, management of mobile station identifiers (UEID), and the like are performed.
  • the upper layer 108 transmits / receives information to another base station apparatus and information to an upper node.
  • FIG. 6 is a schematic block diagram showing the configuration of the mobile station apparatus 200 according to the first embodiment of the present invention.
  • the mobile station apparatus 200 includes a data control unit 201, a DFT-S-OFDM modulation unit 202, a radio unit 203, a scheduling unit 204, a channel estimation unit 205, an OFDM demodulation unit 206, a data extraction unit 207, an upper layer 208, and an antenna unit A2. It has.
  • the data control unit 201, the DFT-S-OFDM modulation unit 202, the radio unit 203, the scheduling unit 204, the upper layer 208, and the antenna unit A2 constitute a transmission unit.
  • Radio section 203, scheduling section 204, channel estimation section 205, OFDM demodulation section 206, data extraction section 207, upper layer 208, and antenna section A2 constitute a reception section.
  • the scheduling unit 204 constitutes a selection unit.
  • the antenna unit A2, the data control unit 201, the DFT-S-OFDM modulation unit 202, and the radio unit 203 perform uplink physical layer processing.
  • the antenna unit A2, the radio unit 203, the channel estimation unit 205, the OFDM demodulation unit 206, and the data extraction unit 207 perform downlink physical layer processing.
  • a part of each transmission unit and reception unit is configured to perform processing separately for each component carrier, and a part is configured to perform common processing between component carriers.
  • the data control unit 201 acquires a transport channel from the scheduling unit 204.
  • the data control unit 201 converts the transport channel and the signal and channel generated in the physical layer based on the scheduling information input from the scheduling unit 104 to the physical channel based on the scheduling information input from the scheduling unit 204. Map. Each piece of data mapped in this way is output to the DFT-S-OFDM modulation unit 202.
  • the DFT-S-OFDM modulation unit 202 performs data modulation, DFT processing, subcarrier mapping, inverse fast Fourier transform (IFFT) processing, cyclic prefix (CP) insertion, filtering on the data input from the data control unit 201.
  • DFT-S-OFDM signal processing such as the above is performed to generate a DFT-S-OFDM signal and output it to the radio section 203.
  • the uplink communication scheme is assumed to be a single carrier scheme such as DFT-S-OFDM, but a multicarrier scheme such as the OFDM scheme may be used instead.
  • Radio section 203 up-converts the modulation data input from DFT-S-OFDM modulation section 202 to a radio frequency, generates a radio signal, and transmits the radio signal to base station apparatus 100 via antenna section A2.
  • Radio section 203 receives a radio signal modulated with downlink data from base station apparatus 100 via antenna section A2, down-converts it into a baseband signal, and converts the received data into a channel estimation section. 205 and output to OFDM demodulator 206.
  • the scheduling unit 204 performs processing of the medium access control layer.
  • the scheduling unit 104 performs mapping between logical channels and transport channels, downlink and uplink scheduling (HARQ processing, selection of transport format, etc.) and the like. Since the scheduling unit 104 controls the processing units of each physical layer in an integrated manner, the scheduling unit 104, the antenna unit A2, the data control unit 201, the DFT-S-OFDM modulation unit 202, the channel estimation unit 205, the OFDM demodulation unit 206, an interface between the data extraction unit 207 and the wireless unit 203 exists. However, not shown.
  • the scheduling unit 204 controls reception of transport channels, physical signals, and physical channels based on scheduling information (transport format and HARQ retransmission information) from the base station apparatus 100 and the upper layer 208, and the like. Scheduling information used for HARQ retransmission control and downlink scheduling is generated. The scheduling information used for downlink scheduling is output to the data control unit 201 and the data extraction unit 207.
  • the scheduling unit 204 receives the uplink buffer status input from the higher layer 208 and uplink scheduling information from the base station apparatus 100 input from the data extraction unit 207 (transport format and HARQ retransmission). Information), and scheduling processing for mapping the uplink logical channel input from the upper layer 208 to the transport channel and the uplink scheduling based on the scheduling information input from the upper layer 208, etc. Scheduling information to be generated is generated.
  • the scheduling information is output to the data control unit 201 and the data extraction unit 207.
  • the scheduling unit 204 maps the uplink logical channel input from the higher layer 208 to the transport channel, and outputs it to the data control unit 201.
  • the scheduling unit 204 also outputs the downlink channel feedback report (CQI, PMI, RI) input from the channel estimation unit 205 and the CRC confirmation result input from the data extraction unit 207 to the data control unit 201. To do.
  • the scheduling unit 204 processes the control data and the transport channel acquired in the downlink input from the data extraction unit 207 as necessary, maps them to the downlink logical channel, and outputs them to the upper layer 208. To do.
  • the channel estimation unit 205 estimates the downlink channel state from the downlink reference signal (RS) and demodulates the downlink data, and outputs the estimation result to the OFDM demodulation unit 206.
  • RS downlink reference signal
  • the channel estimation unit 205 estimates the downlink channel state from the downlink reference signal (RS) in order to notify the base station apparatus 100 of the estimation result of the downlink channel state (radio channel state), This estimation result is converted into a downlink channel feedback report (channel quality information or the like) and output to the scheduling section 204.
  • RS downlink reference signal
  • OFDM demodulation section 206 Based on the downlink channel state estimation result input from channel estimation section 205, OFDM demodulation section 206 performs OFDM demodulation processing on the modulated data input from radio section 203 and outputs the result to data extraction section 207. To do.
  • the data extraction unit 207 performs cyclic redundancy check (CRC) on the data input from the OFDM demodulation unit 206 to confirm correctness and output a confirmation result (ACK / NACK feedback information) to the scheduling unit 204.
  • CRC cyclic redundancy check
  • the data extraction unit 207 separates the data input from the OFDM demodulation unit 206 into transport channel and physical layer control data based on the scheduling information from the scheduling unit 204, and outputs the data to the scheduling unit 204.
  • the separated control data includes scheduling information such as downlink or uplink resource allocation and uplink HARQ control information.
  • the search space (also referred to as a search region) of the physical downlink control signal (PDCCH) is decoded to extract downlink or uplink resource allocations addressed to the own station.
  • the upper layer 208 performs processing of a packet data integration protocol (PDCP: Packet Data Convergence Protocol) layer, a radio link control (RLC: Radio Link Control) layer, and a radio resource control (RRC: Radio Resource Control) layer.
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • RRC Radio Resource Control
  • the upper layer 208 has a radio resource control unit 209.
  • the upper layer 208 integrates and controls the processing units of the lower layer, so that the upper layer 208, the scheduling unit 204, the antenna unit A2, the data control unit 201, the DFT-S-OFDM modulation unit 202, the channel estimation unit 205, There is an interface between the OFDM demodulator 206, the data extractor 207, and the radio unit 203. However, not shown.
  • the radio resource control unit 209 manages various setting information, system information, paging control, local station communication status management, mobility management such as handover, buffer status management, unicast and multicast bearer connection setting. Management and management of mobile station identifier (UEID).
  • UEID mobile station identifier
  • the DL master region (also referred to as a downlink temporary component carrier) is a downlink frequency layer (component carrier or component carrier group) from which the mobile station apparatus first acquires downlink synchronization or system information. It is a downlink frequency layer (component carrier or component carrier group) to be accessed or monitored first. The mobile station apparatus can access other areas after temporarily acquiring signals in this area.
  • a downlink synchronization signal (SCH) that can acquire at least downlink synchronization is arranged.
  • the DL slave area is a downlink frequency layer (component carrier or component carrier group) that is accessed or monitored after the mobile station apparatus acquires information in the master area, or that is accessed or monitored after an addition instruction is given by the base station apparatus. is there.
  • the UL master region (also referred to as a downlink temporary component carrier) is an uplink frequency layer (component carrier or component carrier group) that is first accessed by the mobile station apparatus, and is designated in the DL master region or DL It is a component carrier or a component carrier group associated with a master area.
  • the UL slave area is an uplink frequency layer (component carrier or component carrier group) that the mobile station apparatus can access after communication in the UL master area, or that can be accessed after an addition instruction from the base station apparatus.
  • component carrier or component carrier group an uplink frequency layer
  • the master area and the slave area means the DL master area and / or the UL master area, the DL slave area and / or the UL slave area.
  • a specific channel downlink synchronization signal (SCH) and / or physical downlink broadcast channel (PBCH) and / or broadcast control channel (BCCH) and / or paging control channel (PCCH) and / or common control channel (CCCH) and / or physical uplink control channel (PUCCH), etc.
  • SCH downlink synchronization signal
  • PBCH physical downlink broadcast channel
  • BCCH broadcast control channel
  • PCCH paging control channel
  • CCCH common control channel
  • PUCCH physical uplink control channel
  • the master area and slave area for each mobile station device may be different. That is, a master area for one mobile station apparatus may be configured as a slave area for another mobile station apparatus. This indicates that the component carrier is added to the mobile station device using a dedicated signal, and therefore, the component carrier specific to the mobile station device can be set. In that case, a downlink synchronization signal (SCH) may be arranged also in a slave region for a certain mobile station apparatus.
  • SCH downlink synchronization signal
  • the master region and the slave region may be arranged at adjacent carrier frequencies or may be arranged at separated carrier frequencies.
  • the mobile station apparatus manages a system information field (IE: Information Element) composed of a system information field that is each content of system information and one or a plurality of system information fields. These system information (including system information fields and system information elements) are managed for each component carrier by RRC of the mobile station apparatus and the base station apparatus.
  • the system information is a setting information parameter managed by a system that performs communication between the mobile station apparatus and the base station apparatus, and is also a parameter necessary for the mobile station apparatus to operate in the system.
  • the system information managed by RRC is notified from the base station apparatus to the mobile station apparatus through the broadcast control channel (BCCH) or by RRC signaling of the common control channel (CCCH) and / or the dedicated control channel (DCCH).
  • BCCH broadcast control channel
  • CCCH common control channel
  • DCCH dedicated control channel
  • the system information managed by this RRC is managed as a parameter that is different for each component carrier (specific to each component carrier).
  • RRC connection reconfiguration message (RRCConnectionReconfiguration Message) may be extended so that system information can be notified by designating a component carrier number.
  • SIB SystemInformationBlock
  • BCCH broadcast control channel
  • FIG. 7 is a sequence diagram showing processing of the wireless communication system according to the first embodiment of the present invention.
  • the mobile station apparatus manages system information of one or a plurality of component carriers having a partial bandwidth in the system band, and when a component carrier is added to the mobile station apparatus, the component carrier currently being accessed This system information is also applied to each added component carrier.
  • the mobile station device does not notify the system information that is not notified as system information applied to the added component carrier.
  • System information is applied to each added component carrier.
  • the mobile station device transmits the system information of the currently accessed component carrier to each added component carrier. Apply.
  • the mobile station device transmits system information of a default value (initial value) to each added component carrier. Apply.
  • ком ⁇ онент carrier can be interpreted as the concept of adding an active component carrier or activating a component carrier.
  • step S101 From the base station apparatus 100 in the RRC connection setup (common control channel (CCCH) (RRC signaling)) during the RRC connection establishment process or the dedicated control channel (DCCH) (RRC signaling) to the mobile station apparatus 200 in communication Information related to component carrier addition to the mobile station device 200 (component carrier to be added, number of component carriers to be added, frequency layer of component carrier to be added, system information of component carrier 1, system information of component carrier 2, etc.) Information) is notified (step S101).
  • CCCH common control channel
  • DCCH dedicated control channel
  • the base station device manages the system information of the component carrier that is currently being accessed by the mobile station device, determines whether the component carrier to be added needs to be notified of the system information, and notifies the information related to the addition of the component carrier. To do.
  • the mobile station apparatus 200 that has acquired the information related to component carrier addition adjusts the radio unit 203 so that the added component carrier can be received.
  • the mobile station apparatus 200 acquires information on component carrier addition, detects system information to be applied to each component carrier, and applies each system information to each component carrier (step S102).
  • step S102 the mobile station apparatus adds component carrier 2 (CC2) and component carrier 3 (CC3).
  • component carrier 2 CC2
  • component carrier 3 CC3
  • system information specifying B2 for system information 2 of component carrier 2 (CC2), B3 for system information 3, and B6 for system information 6 is included. included.
  • C3 is specified for system information 3 of component carrier 3 (CC3)
  • C5 is specified for system information 5
  • C6 is specified for system information 6.
  • an instruction to change from A2 to AA2 for the system information 2 of the component carrier 1 (CC1), and an instruction to change from A4 to AA4 for the system information 4 Is included.
  • the mobile station apparatus that has received this RRC signaling applies the system information specified for each component carrier.
  • the system information used in the component carrier 1 (CC1) is applied to the system information that is not specified for each component carrier. However, for system information 2, since there is an instruction to modify component carrier 1 (CC1) from A2 to AA2, for component carrier 2 (CC2), B2 and component carrier specified by RRC signaling
  • the corrected value AA2 is applied to 3 (CC3).
  • system information 1 and the system information 4 are defined in advance as being used in common for all component carriers as the type of system information without any particular designation, so that the component carrier 1 (CC1) is used as it is. Apply the system information that was used. However, regarding the system information 4, since there is an instruction for correction to the component carrier 1 (CC1), the corrected value is also applied to component carriers other than the component carrier 1 (CC1) at the same time. By doing in this way, the system information in each component carrier finally becomes as follows.
  • system information 1 system information 2, system information 3, system information 4, system information 5, and system information 6, in component carrier 1 (CC1), A1, AA2, A3, AA4, A5, A6, component carrier 2 ( In CC2), A1, B2, B3, AA4, A5, B6 and in component carrier 3 (CC3), they are A1, AA2, C3, AA4, C5, C6.
  • the component carrier can be interpreted simply as a cell, and the mobile station apparatus can also be interpreted as managing system information of a plurality of cells.
  • RRC signaling is not an addition of a component carrier, but an addition of an active (activated) cell or an activation of a cell.
  • Communicating with multiple component carriers is interpreted as communicating with multiple active cells.
  • one system is configured by a plurality of component carriers.
  • a plurality of systems are aggregated and can be interpreted as a single system.
  • the component carrier can be interpreted as indicating that the specific reception side or the specific transmission side is an area in which the system operates by adjusting the carrier frequency to the center of each component carrier.
  • the base station apparatus and the mobile station apparatus are one-to-one has been described as an example, but there may be a plurality of base station apparatuses and mobile station apparatuses.
  • the mobile station device is not limited to a moving terminal, and may be realized by mounting the function of the mobile station device on a base station device or a fixed terminal.
  • each function in the base station apparatus and a program for realizing each function in the mobile station apparatus are recorded on a computer-readable recording medium and recorded on this recording medium.
  • the base station apparatus or mobile station apparatus may be controlled by causing the computer system to read and execute the program.
  • the “computer system” includes an OS and hardware such as peripheral devices.
  • the “computer-readable recording medium” means a storage device such as a flexible disk, a magneto-optical disk, a portable medium such as a ROM and a CD-ROM, and a hard disk incorporated in a computer system.
  • a “computer-readable recording medium” means that a program is dynamically held for a short time, like a communication line when a program is transmitted via a network such as the Internet or a communication line such as a telephone line. In this case, it is intended to include those that hold a program for a certain period of time, such as a volatile memory inside a computer system serving as a server or a client in that case.
  • the program may be for realizing a part of the above-described functions, and may be capable of realizing the above-described functions in combination with a program already recorded in the computer system. .
  • DESCRIPTION OF SYMBOLS 100 Base station apparatus, 101 ... Data control part, 102 ... OFDM modulation part, 103 ... Radio

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EP09830288.8A EP2355606B1 (en) 2008-12-04 2009-11-09 Communication system and mobile station apparatus
CN200980148003.7A CN102227945B (zh) 2008-12-04 2009-11-09 通信系统和移动台设备
US13/132,632 US9768922B2 (en) 2008-12-04 2009-11-09 Communication system and mobile station apparatus
JP2010541278A JP4959001B2 (ja) 2008-12-04 2009-11-09 通信システム及び移動局装置
MX2011005781A MX2011005781A (es) 2008-12-04 2009-11-09 Sistema de comunicacion y aparato de estacion movil.
HK12101023.5A HK1160719A1 (zh) 2008-12-04 2012-02-03 通信系統和移動台設備
US15/486,002 US10320536B2 (en) 2008-12-04 2017-04-12 Communication system and mobile station apparatus

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